The Seiko 6431-5140 is a watch model based on the 6431 movement.
Parts List
| SA7N32GN00 | crystal |
| 35R34NA1 | crown - crown |
| 0E280NA1S | case back gasket - rotating bezel gasket |
Caliber 6431
Seiko 6431-5140 Watch Guide
The Seiko 6431-5140 is a watch model based on the 6431 movement.
| SA7N32GN00 | crystal |
| 35R34NA1 | crown - crown |
| 0E280NA1S | case back gasket - rotating bezel gasket |